diff --git a/package.json b/package.json
index 0f75c4e..b55eb31 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "main": "index.js",
   "scripts": {
     "test": "mocha -r ts-node/register src/**/*.test.ts",
+    "test-r": "mocha -r ts-node/register src/users/index.test.ts",
     "dev": "tsnd --respawn src/index.ts",
     "build": "tsc",
     "start": "npm run build && node dist/index.js",
@@ -51,4 +52,4 @@
     "pg": "^8.8.0",
     "validator": "^13.7.0"
   }
-}
+}
\ No newline at end of file
diff --git a/src/services/users-service.ts b/src/services/users-service.ts
index f0eaa97..81faef0 100644
--- a/src/services/users-service.ts
+++ b/src/services/users-service.ts
@@ -35,7 +35,7 @@ export class UserService {
         return result.rows[0];
     }
 
-    async save({email, fname, lname, password}: User) {
+    async save({ email, fname, lname, password }: User) {
         // NOTE:
         // this asserts make sure there is no another user with the same email
         // we comment this section out since we defined the "email" field in the database as unique
@@ -49,15 +49,15 @@ export class UserService {
     }
 
     // todo missing tests
-    async update({id, email, fname, lname, password}: User) {
+    async update({ id, email, fname, lname, password }: User) {
         const results = await this.client.query(UPDATE_ONE, [id, email, fname, lname, password]);
         return results.rows[0];
     }
 
     // todo missing tests
     async remove(id: number | string) {
-       await this.client.query(REMOVE_ONE, [id]);
-       return id;
+        await this.client.query(REMOVE_ONE, [id]);
+        return id;
     }
 }
 
diff --git a/src/users/index.test.ts b/src/users/index.test.ts
index 4cbfc53..f701c06 100644
--- a/src/users/index.test.ts
+++ b/src/users/index.test.ts
@@ -13,17 +13,17 @@ ImportMock.mockFunction(dbModule, 'default', MockClient);
 
 import app from '../app';
 import request from 'supertest';
+import { User } from './user';
 
 // E2E (end to end) testing
 // Integration test (integration of some modules instead of testing single unit)
 describe('user feature', () => {
-
     it('should return all users', () => {
         // return Promise of "PG Result object"
         MockClient.query = () => Promise.resolve({
             rows: [
-                {id: 1, password: 'A'},
-                {id: 2, password: 'C'}
+                { id: 1, password: 'A' },
+                { id: 2, password: 'C' }
             ]
         });
         // routing to /user
@@ -34,22 +34,22 @@ describe('user feature', () => {
             .get('/user')
             .expect(200)
             .expect([
-                {id: 1},
-                {id: 2}
+                { id: 1 },
+                { id: 2 }
             ]);
     });
 
     it('should return user by user Id', () => {
         // return Promise of "PG Result object"
         MockClient.query = () => Promise.resolve(
-            {rows:[{id: 1, password: 'A'}]}
+            { rows: [{ id: 1, password: 'A' }] }
         );
 
         return request(app)
             .get('/user/1')
             .expect(200)
             .expect(
-                {id: 1}
+                { id: 1 }
             );
     });
     it ('should delete user by its id and send back the id', () => {
@@ -65,4 +65,19 @@ MockClient.query = () => Promise.resolve(
             );
     });
 
+
+    it('should return id of deleted user', () => {
+        MockClient.query = () => Promise.resolve(
+            { rows: [{ id: 1 }] }
+        );
+
+        return request(app)
+            .delete('/user/1')
+            .expect(200)
+            .expect(
+                { id: '1' }
+            )
+
+    });
+
 });